+
+#endif // __WXMICROWIN__
+
+#ifdef __WXWINCE__
+// Used in wxBMPFileHandler::LoadFile
+HBITMAP wxLoadBMP(const wxString& filename)
+{
+ wxFile file;
+ if(!file.Open(filename))
+ return 0;
+
+ // The first part of the file contains the file header.
+ // This will tell us if it is a bitmap, how big the header is, and how big
+ // the file is. The header size in the file header includes the color table.
+ BITMAPFILEHEADER BmpFileHdr;
+ BITMAPINFO *pBmpInfo = (BITMAPINFO*)malloc(sizeof(BITMAPINFO)+255*sizeof(RGBQUAD));
+ BYTE* pBits = 0;
+ HBITMAP hBitmap = 0;
+
+ if(file.Read(&BmpFileHdr, sizeof(BmpFileHdr))==sizeof(BmpFileHdr)
+ && !strncmp((char*)&BmpFileHdr.bfType,"BM",2)
+ && file.Read(pBmpInfo, sizeof(BITMAPINFOHEADER))==sizeof(BITMAPINFOHEADER)
+ && pBmpInfo->bmiHeader.biSize == sizeof(BITMAPINFOHEADER)) {
+
+
+ unsigned int nColors = pBmpInfo->bmiHeader.biClrUsed ?
+ pBmpInfo->bmiHeader.biClrUsed : 1 << pBmpInfo->bmiHeader.biBitCount;
+ if (nColors < 1
+ || file.Read(pBmpInfo->bmiColors, nColors * sizeof(RGBQUAD))
+ == (ssize_t)(nColors * sizeof(RGBQUAD))) {
+
+ // So how big the bitmap surface is.
+ int nBitsSize = BmpFileHdr.bfSize - BmpFileHdr.bfOffBits;
+
+ // Allocate the memory for the bits and read the bits from the file.
+ pBits = (BYTE*) malloc(nBitsSize*2);
+ if (pBits) {
+ // Seek to the bits in the file.
+ file.Seek(BmpFileHdr.bfOffBits);
+
+ // read the bits
+ if(file.Read(pBits, nBitsSize)==nBitsSize) {
+ // Everything went OK.
+ pBmpInfo->bmiHeader.biSizeImage = nBitsSize;
+
+ //HBITMAP hBitmap=SetBitmap((LPBITMAPINFO)pBmpInfo, pBits);
+ //DWORD dwBitmapInfoSize = sizeof(BITMAPINFO) + nColors*sizeof(RGBQUAD);
+
+ // Create a DC which will be used to get DIB, then create DIBsection
+ HDC hDC = ::GetDC(NULL);
+ if (hDC) {
+ LPVOID bits;
+ hBitmap = CreateDIBSection(hDC, (const BITMAPINFO*) pBmpInfo,
+ DIB_RGB_COLORS, &bits, NULL, 0);
+ ReleaseDC(0,hDC);
+
+ if (hBitmap) {
+ DWORD dwImageSize = pBmpInfo->bmiHeader.biSizeImage;
+ if (dwImageSize == 0) {
+ int nBytesPerLine = pBmpInfo->bmiHeader.biWidth * pBmpInfo->bmiHeader.biBitCount;
+ nBytesPerLine = ( (nBytesPerLine + 31) & (~31) ) / 8;
+ dwImageSize = nBytesPerLine * pBmpInfo->bmiHeader.biHeight;
+ }
+ memcpy(bits, pBits, dwImageSize);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if(pBmpInfo)
+ free(pBmpInfo);
+ if(pBits)
+ free(pBits);
+
+ return hBitmap;
+}
projects / wxWidgets.git / blobdiff